Brazil Management and Share Purchase Agreement-Arbitration and Subsequent Event (Details Textual)	6 Months Ended		6 Months Ended											6 Months Ended
	Jul. 31, 2012 USD ($)	Jul. 31, 2012 Settlement Of Debt [Member] USD ($)	Jul. 31, 2012 First Quarter Of Fy 2013 [Member] USD ($)	Jul. 31, 2012 Subsequent Event [Member] USD ($)	Jul. 31, 2012 Subsequent Event [Member] BRL	Jul. 31, 2012 Subsequent Event [Member] September 11, 2012 [Member] USD ($)	Jul. 31, 2012 Subsequent Event [Member] September 11, 2012 [Member] BRL	Jul. 31, 2012 Subsequent Event [Member] September 11, 2012 [Member] Parent Company [Member] USD ($)	Jul. 31, 2012 Subsequent Event [Member] September 11, 2012 [Member] Parent Company [Member] BRL	Jul. 31, 2012 Subsequent Event [Member] September 11, 2012 [Member] Qualytextil, Sa [Member] USD ($)	Jul. 31, 2012 Subsequent Event [Member] September 11, 2012 [Member] Qualytextil, Sa [Member] BRL	Jul. 31, 2012 Subsequent Event [Member] December 31, 2012 [Member] USD ($)	Jul. 31, 2012 Subsequent Event [Member] December 31, 2012 [Member] BRL	Jul. 31, 2012 Subsequent Event [Member] March 31, 2013 [Member] USD ($)	Jul. 31, 2012 Subsequent Event [Member] March 31, 2013 [Member] BRL	Jul. 31, 2012 Former Officers [Member] BRL	Jul. 31, 2012 Former Officers [Member] Subsequent Event [Member] USD ($)	Jul. 31, 2012 Former Officers [Member] Subsequent Event [Member] BRL	Jul. 31, 2012 Former Officers [Member] Subsequent Event [Member] September 11, 2012 [Member] USD ($)
Loss Contingency Settlement Agreement Consideration1						$ 1,500,000	3,000,000	$ 350,000	706,000	$ 1,150,000	2,294,000	$ 1,000,000	2,000,000	$ 6,000,000		18,037,500	$ 9,000,000		$ 8,500,000
Estimated Litigation Liability																	580,000	1,150,000
Supplemental Unemployment Benefits, Severance Benefits																	226,000	450,000
Percentage Of Arbitrators Fees				85.00%	85.00%
Loss Contingency, Accrual Carrying Value, Current		15,100,000
Adjustments Of Arbiration Expenses				12,575,000	25,148,252									12,575,000	25,148,252.47
Arbitration Liability Current				10,000,000
Revised Settlement Agreement Amount				7,000,000
Accounts Payable, Interest-bearing, Interest Rate				1.58%	1.58%
Total Fees Of Revised Settlement	856,000
Settlement Expenses, Net	7,900,000		10,000,000
Increase Decrease Of Settlement Expenses In Period	2,100,000
Loss Contingency, Settlement Agreement, Consideration Installment														$ 250,000